CN115671445A - Disposable venous transfusion micro-precision regulator - Google Patents

Abstract

The invention relates to the technical field of medical instruments and discloses a disposable venous transfusion micro-precision regulator which comprises an ascending transfusion hose and a descending transfusion hose, wherein the upper end of the ascending transfusion hose is connected with a transfusion bottle, the lower end of the descending transfusion hose is connected with a needle head, an upper rotary cover is formed in an injection molding mode, the upper end of the upper rotary cover is fixedly provided with an upward-protruding rotary shaft sleeve, a through hole is formed in the rotary shaft sleeve and completely penetrates through the upper rotary cover, the middle part of the lower rotary cover is fixedly provided with an upward-protruding rotary shaft, the rotary shaft penetrates through the through hole in the middle part of the upper rotary cover and then is rotatably arranged below the upper rotary cover, the lower rotary cover is provided with a circulating cavity, and a semicircular flow blocking disc is fixedly embedded in the circulating cavity. According to the invention, the upper rotary cover is rotated by pinching the lower rotary cover by hand, and when a certain control scale mark is aligned with the reference scale mark, the flow path formed by overlapping the corresponding number of the shunting holes is separated from the blockage of the flow blocking disc.

Description

Disposable venous transfusion micro-precision regulator

Technical Field

The invention relates to the technical field of medical instruments, in particular to a disposable venous transfusion micro-precision regulator.

Background

At present, a medical disposable infusion apparatus mainly comprises a dropper pin, a Murphy's dropper, an infusion catheter, a filter, a flow regulator and a scalp needle; the flow regulator is a hand-push wheel type, the hand-push wheel type regulator can not be adjusted clinically, namely, the hand-push wheel type regulator is not accurate and controllable, the hand-push wheel type regulator can not hurt cells of patients, and is not suitable for a plurality of special medicines, and the hand-push wheel type regulator is inconvenient to use and needs nurses to read according to a stopwatch, and is very inconvenient when the number of people in clinic is more, in addition, the patients can also be adjusted very conveniently, so that potential safety hazards can be generated due to mistaken touch or self adjustment of the patients when the hand-push wheel type regulator is used, and the phenomenon is not rare in the actual diagnosis and treatment process.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the problems, a disposable intravenous infusion micro-precision regulator is provided, which solves the problems.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

the utility model provides a disposable venous transfusion micro-precision regulator, includes upward infusion hose and downward infusion hose, wherein the upper end and the infusion bottle of going upward infusion hose are connected, the lower extreme and the syringe needle of downward infusion hose are connected, upward spiral cover injection moulding, upward spiral cover upper end is fixed to be equipped with the bellied pivot cover that makes progress and be in be equipped with through-hole and this through-hole that run through in the pivot cover and also run through completely upward spiral cover, the fixed bellied pivot that makes progress that is equipped with in middle part of lower spiral cover, the pivot passes upward spiral cover's middle part through-hole back rotation sets up upward spiral cover's below, it has the circulation chamber and is in to be equipped with the fixed annular drain pan of semicircle that is equipped with in the circulation intracavity the lower extreme integrated into one piece of upward spiral cover be equipped with bellied drain pan, drain pan inlay in the circulation intracavity, just the lower extreme of drain pan with the upper end face of drain pan offsets the upper end face of drain pan with the upper end face of drain pan offsets, but lower spiral cover is equipped with the main entrance pan of the lower extreme that the liquid dropping hole communicates with the liquid dropping hole, the adjustable drain hole is blocked up through the lower extreme and the adjustable drain hole and the lower extreme of this drain hole and the lower extreme of the liquid hole of the adjustable plug-flow is blocked up and the liquid hole and the lower extreme of the liquid hole and the liquid hole of the plug can be equipped with the plug and be in advance and be equipped with the adjustable in the liquid hole and be equipped with the liquid hole and be in the liquid hole, go up the spiral cover and go up the distribution and be equipped with the memory card hole that runs through, distribute down on the spiral cover be equipped with the joint hole of memory card hole with the footpath, and be in the downthehole storage of memory card has the locking synchronizing bar, the memory card hole with the distribution rule in joint hole should satisfy following condition, works as promptly go up the spiral cover relative down the spiral cover adjust to different dripping speed gears have two just when the spiral cover axis distributes as central symmetry the memory card hole with the joint hole is coaxial, like this will through the apparatus locking synchronizing bar makes down the locking synchronizing bar goes into simultaneously the memory card hole with the downthehole locking that can accomplish of joint, go up the lower extreme of infusion hose with the upper end intercommunication that the feed liquor was responsible for, the upper end of infusion hose down with the lower extreme intercommunication of flowing back main entrance, the interval is equipped with a plurality of control scale marks on the lateral wall of last spiral cover, the lateral wall of spiral cover is equipped with the benchmark scale mark down.

Preferably, still include a propelling movement locking device, the cross section of propelling movement locking device is circular and the diameter is less than the diameter in memory card hole, the tail end of propelling movement locking device is the right angle form, through holding the propelling movement locking device will the front end of propelling movement locking device by the last port in memory card hole inserts, will predetermine the control scale mark that sets up the dropping speed on the upper screw cap with the benchmark scale mark coincidence back of predetermineeing the setting on the lower screw cap makes just two with the joint hole of axis symmetry of lower screw cap with the memory card hole is coaxial, so will under the propelling movement locking device the lower half section of locking synchronizing bar pushes accomplish the locking in the joint hole, the patient can't rotate under such circumstances the relative position of upper screw cap with lower screw cap.

Preferably, integrated into one piece is equipped with half way mark on the propelling movement locker, and is specific half way mark can be for propelling movement locker arch or indent or fix through the ring-shaped thing that has the face to penetrate in order to show the difference on the propelling movement locker, and work as the propelling movement locker inserts behind the memory card hole and half way mark with when going up the upper end parallel and level of spiral cover, the half section of locking synchronizing bar just is pushed in the joint is downthehole.

Preferably, the joint hole is the blind hole just the hole depth in joint hole is greater than the length of locking synchronizing rod passes through when medical personnel need adjust like this when the propelling movement locking device will locking synchronizing rod pushes completely extremely the downthehole can relieve of joint go up the spiral cover with the locking state of spiral cover down to adjust once more the dropping speed and lock once more, guaranteeing great improvement under convenient and reliable's the prerequisite restriction of regulation operation, avoid the patient to adjust by mistake or independently adjust the potential safety hazard of shining one.

Preferably, the rotating shaft sleeve is provided with at least two deformation structure openings which are opened upwards in an annular array manner, and the deformation structure openings are used for facilitating the rotating shaft to pass through when the lower spiral cover and the upper spiral cover are installed in a butt joint manner.

Preferably, the middle part integrated into one piece of pivot is equipped with upwards open deformation mouth, the top of pivot is equipped with outside bellied extension flange, thereby the pivot passes through the shrink deformation of deformation mouth by the central through-hole of last spiral cover lower extreme passes, and reaches the lower terminal surface of the extension flange in pivot top with the roof of pivot cover offsets and accomplishes the block.

Preferably, the outer side wall surface of the upper spiral cover is integrally provided with a semicircular convex flange strip, and the flange strip is arranged at intervals in an annular mode by taking the axis of the upper spiral cover as the center.

Preferably, the two ends of the locking synchronizing rod are round-head-shaped, a protruding rubber strip is integrally formed on the side wall of the locking synchronizing rod, and the locking synchronizing rod is achieved through friction force of the protruding rubber strip through the clamping hole and positioning in the storage card hole.

Preferably, an integrally formed sealing ring caulking groove is formed in the outer side wall of the flow distribution disc, an O-shaped sealing ring is fixedly embedded in the sealing ring caulking groove, and when the flow distribution disc is inserted into the circulation cavity, the O-shaped sealing ring abuts against the inner ring wall surface of the circulation cavity.

The invention has the advantages and positive effects that: hold between the fingers through the hand lower spiral cover rotates go up the spiral cover, when certain the control scale mark with the benchmark scale mark aligns the back, represents corresponding quantity flow path that the reposition of redundant personnel hole stack formed has broken away from the jam of stifled flow dish, the liquid medicine by the feed liquor is responsible for entering back by switching on the reposition of redundant personnel hole flows in the circulation intracavity and by flowing out the warp at flowing back main entrance department the flexible pipe of lower infusion flows to the syringe needle, when rotating control scale mark has two symmetry settings just behind the appointed gear the joint hole with the memory card hole switches on, and thus medical personnel's eye passes through the propelling movement locker will be stored in the memory card is downthehole the locking synchronizing rod pushes down makes half card of locking synchronizing rod is gone into thereby it is downthehole to accomplish down spiral cover with go up the locking of spiral cover relative position, when medical personnel need adjust the propelling movement locker will the locking synchronizing rod pushes completely to the downthehole locking state that can relieve go up spiral cover with down spiral cover to adjust once more to adjust and lock once more, guaranteeing convenient operation restriction or the regulation that the patient is reliable independently to avoid the potential safety hazard.

Drawings

The invention is further illustrated by the following examples in conjunction with the drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the upper screw cap 11 of the present invention;

FIG. 3 is a schematic view of the structure of the upper screw cap 11 of the present invention;

FIG. 4 is a schematic view of a half-section of the lower screw cap 10 of the present invention;

fig. 5 is a schematic structural diagram of the present invention.

The scores in the figures are as follows: 10. screwing down the cover; 11. screwing a cover; 12. an ascending transfusion hose; 13. a down-flow infusion hose; 14. a reference scale mark; 15. controlling the scale mark; 16. a flange strip; 18. a flow blocking disc; 19. a clamping hole; 20. locking the synchronizing rod; 21. an annular flow chamber; 22. a main liquid discharge port; 23. a diverter tray; 24. a shunt hole; 25. a sealing ring caulking groove; 26. a memory card aperture; 28. a rotating shaft sleeve; 29. opening the deformation structure; 30. a liquid inlet main pipe; 31. a rotating shaft; 32. a deformation port; 34. pushing the locker; 35. and (5) half-way marking.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The embodiments of the invention will be described in further detail below with reference to the accompanying drawings:

as shown in fig. 1-5, the disposable intravenous transfusion micro-precision regulator of the present invention comprises an ascending transfusion hose 12 and a descending transfusion hose 13, wherein the upper end of the ascending transfusion hose 12 is connected to a transfusion bottle, the lower end of the descending transfusion hose 13 is connected to a needle, the upper screw cap 11 is injection molded, the upper end of the upper screw cap 11 is fixedly provided with an upward protruding rotating shaft sleeve 28, a through hole is provided in the rotating shaft sleeve 28 and completely penetrates the upper screw cap 11, the middle of the lower screw cap 10 is fixedly provided with an upward protruding rotating shaft 31, the rotating shaft 31 penetrates the middle through hole of the upper screw cap 11 and is rotatably disposed below the upper screw cap 11, the lower screw cap 10 is provided with a circular flow cavity 21, a semicircular annular flow blocking disc 18 is fixedly embedded in the circular flow cavity 21, the lower end of the upper screw cap 11 is integrally formed with a protruding flow splitting disc 23, the flow disc 23 is disposed in the lower end of the upper screw cap 11, the flow splitting disc 23 is disposed in the circular flow cavity 21, the upper end surface of the flow blocking disc 18 and the upper flow blocking disc 24 and the lower flow splitting disc 24 are disposed in the upper end of the upper screw cap 11, and the liquid inlet ring 11, the liquid inlet ring 24 and the liquid inlet ring 24 are integrally formed with a liquid outlet, the liquid outlet 24, the liquid inlet ring 24 and the liquid outlet 24, the liquid inlet ring 24 are not larger than the liquid inlet ring 24, through the adjustment the speed of dropping liquid can be adjusted to the quantity that reposition of redundant personnel hole 24 did not by stifled flow disk 18 plugs up, and the aperture of reposition of redundant personnel hole 24 can be experimental adjustment control as required in advance go up spiral cover 11 and go up the distribution and be equipped with the memory card hole 26 that runs through, down spiral cover 10 go up the distribution be equipped with the joint hole 19 of memory card hole 26 with the footpath, and be in have locking synchronizing bar 20 in the memory card hole 26, memory card hole 26 with the distribution rule of joint hole 19 should satisfy following condition, work as it is right to go up spiral cover 11 down spiral cover 10 adjust to different dropping speed gears have two just when going up spiral cover 11 axis and being central symmetric distribution memory card hole 26 with joint hole 19 is coaxial, will through the apparatus locking synchronizing bar 20 pushes down the messenger locking synchronizing bar 20 is gone into simultaneously the card is gone into memory card hole 26 with can accomplish the locking in the joint hole 19, the lower extreme of ascending infusion hose 12 with the upper end intercommunication of feed liquid inlet main pipe 30, the lower extreme of descending infusion hose 13 with the lower extreme of flowing back mouth 22 communicates, the lower extreme of last control of interval is equipped with scale 15 on the spiral cover 10, and is equipped with scale 15 benchmark lateral wall 15.

Preferably, the device further comprises a pushing locking device 34, the cross section of the pushing locking device 34 is circular, the diameter of the pushing locking device 34 is smaller than the diameter of the memory card hole 26, the tail end of the pushing locking device 34 is right-angled, the front end of the pushing locking device 34 is inserted from the upper port of the memory card hole 26 by holding the pushing locking device 34, after the control scale line 15 of the preset dropping speed on the upper screw cap 11 is overlapped with the reference scale line 14 of the preset dropping speed on the lower screw cap 10, two clamping holes 19 symmetrical to the axis of the lower screw cap 10 are coaxial with the memory card hole 26, so that the lower half section of the locking synchronization rod 20 is pushed into the clamping hole 19 under the pushing of the pushing locking device 34 to complete locking, and under the condition, a patient cannot rotate the relative positions of the upper screw cap 11 and the lower screw cap 10.

Preferably, the push lock 34 is integrally formed with a half mark 35, specifically, the half mark 35 may be raised or recessed relative to the push lock 34 or fixed on the push lock 34 by a ring with a color to show a difference, and when the push lock 34 is inserted into the memory card hole 26 and the half mark 35 is flush with the upper end of the upper screw cap 11, a half section of the locking synchronization rod 20 is pushed into the snap hole 19.

Preferably, joint hole 19 is the blind hole just the hole depth in joint hole 19 is greater than locking synchronization rod 20's length passes through when medical personnel need adjust like this propelling movement locker 34 will locking synchronization rod 20 pushes completely extremely can relieve in the joint hole 19 go up spiral cover 11 with the lock-out state of spiral cover 10 down to adjust once more the dropping speed and lock once more, guaranteeing convenient and reliable prerequisite under great improvement the restriction of regulation operation, avoid the patient mistake to adjust or independently adjust the potential safety hazard of shining into.

Preferably, the rotating shaft sleeve 28 is provided with at least two deformation structure openings 29 which are opened upwards, and the deformation structure openings 29 are used for facilitating the rotating shaft 31 to pass through when the lower rotary cover 10 and the upper rotary cover 11 are installed in a butt joint mode.

Preferably, the middle part of the rotating shaft 31 is integrally formed with a deformation opening 32 which is open upwards, the top of the rotating shaft 31 is provided with an outward protruding extension flange, the rotating shaft 31 passes through a central through hole at the lower end of the upper screw cap 11 through the contraction deformation of the deformation opening 32, and the lower end surface of the extension flange at the top of the rotating shaft 31 abuts against the top wall of the rotating shaft sleeve 28 to complete the clamping.

Preferably, a semicircular raised flange strip 16 is integrally formed on the outer side wall surface of the upper spiral cover 11, and the flange strips 16 are annularly arranged at intervals by taking the axis of the upper spiral cover 11 as a center.

Preferably, both ends of the locking synchronization rod 20 are round-headed, a protruding rubber strip is integrally formed on the side wall of the locking synchronization rod 20, and the locking synchronization rod 20 is positioned in the clamping hole 19 and the memory card hole 26 by the friction force of the protruding rubber strip.

Preferably, a sealing ring caulking groove 25 is formed in the outer side wall of the flow distribution disc 23 in an integrated mode, an O-shaped sealing ring is fixedly embedded in the sealing ring caulking groove 25, and when the flow distribution disc 23 is inserted into the annular flow cavity 21, the O-shaped sealing ring abuts against the inner ring wall surface of the annular flow cavity 21.

In specific implementation, when a user holds the lower screw cap 10 to rotate the upper screw cap 11, after a certain control scale line 15 is aligned with the reference scale line 14, a flow path formed by overlapping a corresponding number of the diversion holes 24 is separated from the blockage of the flow blocking disc 18, after entering a liquid inlet main pipe 30, a liquid medicine flows into the annular flow cavity 21 through the diversion holes 24 and flows out from the liquid outlet main port 22 to the needle through the descending infusion hose 13, when the control scale line 15 is rotated to a specified gear, two symmetrically arranged clamping holes 19 and two storage card holes 26 are conducted, so that a medical care eye pushes down the locking synchronization rod 20 stored in the storage card hole 26 through the push-and-lock device 34 to clamp a half of the locking synchronization rod 20 into the clamping hole 19, so as to complete the locking of the relative positions of the lower screw cap 10 and the upper screw cap 11, when the medical care person needs to adjust, the locking synchronization rod 20 is completely pushed into the clamping hole 19 through the push-and thus the locking synchronization rod 34 can be completely pushed into the clamping hole 19, thereby ensuring that the safety adjustment of the upper screw cap 10 and the upper screw cap 11 can be adjusted, and the safety of the patient can be improved, and the safety of the patient can be further, and the automatic adjustment can be avoided, and the safety of the patient, and the drip rate adjustment can be further improved.

It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the invention is not to be limited to the embodiments described in the detailed description, and that other embodiments may be devised by those skilled in the art based on the teachings herein, and are within the scope of the appended claims.

Claims (9)

1. A disposable venous transfusion micro-precision regulator is characterized in that: the infusion device comprises an uplink infusion hose (12) and a downlink infusion hose (13), wherein the upper end of the uplink infusion hose (12) is connected with an infusion bottle, the lower end of the downlink infusion hose (13) is connected with a needle head, an upper spiral cover (11) is formed by injection molding, the upper end of the upper spiral cover (11) is fixedly provided with an upward convex rotating shaft sleeve (28), a through hole which penetrates through the rotating shaft sleeve (28) is arranged and completely penetrates through the upper spiral cover (11), the middle part of a lower spiral cover (10) is fixedly provided with an upward convex rotating shaft (31), the rotating shaft (31) penetrates through the middle through hole of the upper spiral cover (11) and then is rotatably arranged below the upper spiral cover (11), the lower spiral cover (10) is provided with a circular flow cavity (21), an annular flow blocking disc (18) which is fixedly arranged in the circular flow cavity (21) is embedded in the circular flow cavity, the lower end of the upper spiral cover (11) is integrally formed with a convex flow dividing disc (23), the flow dividing disc (23) is embedded in the circular flow cavity (21), the lower end of the upper spiral cover (23) is integrally formed with an annular flow dividing disc (22) which is communicated with a lower end of the upper flow dividing disc (22) and a liquid discharge ring (22) which is arranged at intervals, the angle scope that sets up of reposition of redundant personnel hole (24) is not more than one hundred eighty degrees go up spiral cover (11) go up integrated into one piece be equipped with a feed liquor be responsible for (30) just the feed liquor be responsible for the lower extreme of (30) simultaneously with every reposition of redundant personnel hole (24) intercommunication go up spiral cover (11) and go up the distribution and be equipped with memory card hole (26) that run through, down spiral cover (10) go up the distribution be equipped with memory card hole (26) with the joint hole (19) of footpath, and be in memory card hole (26) are stored with locking synchronizing bar (20), memory card hole (26) with the distribution rule of joint hole (19) should satisfy following condition, work as promptly go up spiral cover (11) relatively when adjusting different dropping speed gears down spiral cover (10) have just two with go up spiral cover (11) axis as central symmetry distribution memory card hole (26) with joint hole (19) are coaxial, the lower extreme of ascending infusion hose (12) with the upper end intercommunication of feed liquor hose (30), the lower extreme of descending is equipped with the control lateral wall (15) of lower extreme and spiral cover (10) upper end intercommunication, the lower extreme of infusion line (15) are equipped with the control lateral wall (10) of infusion lid (15), the lower extreme on the lower extreme of infusion lid (11) is equipped with the basis.

2. A disposable intravenous infusion micro-precision regulator as claimed in claim 1, wherein: still include a propelling movement locking device (34), the cross section of propelling movement locking device (34) is circular and the diameter is less than the diameter of memory card hole (26), the tail end of propelling movement locking device (34) is the right angle form, through holding propelling movement locking device (34) will the front end of propelling movement locking device (34) by the last port of memory card hole (26) is inserted, will go up control scale mark (15) of predetermined setting drip speed on spiral cover (11) with behind predetermined setting's the benchmark scale mark (14) coincidence on spiral cover (10) down, make just two with the joint hole (19) of the axis symmetry of spiral cover (10) down with memory card hole (26) are coaxial.

3. A disposable intravenous infusion micro-precision regulator as claimed in claim 2, wherein: integrated into one piece is equipped with half way mark (35) on propelling movement locking ware (34), and is specific half way mark (35) can be for propelling movement locking ware (34) arch or indent or fix through the ring-shaped thing that has the color shot with the display difference on propelling movement locking ware (34), and work as propelling movement locking ware (34) insert behind memory card hole (26) just half way mark (35) with when going up the upper end parallel and level of spiral cover (11), half section of locking synchronizing bar (20) just is pushed in joint hole (19).

4. A disposable intravenous infusion micro-precision regulator as claimed in claim 3, wherein: the clamping hole (19) is a blind hole, and the depth of the clamping hole (19) is larger than the length of the locking synchronous rod (20).

5. A disposable intravenous infusion fine adjustment apparatus according to claim 4, further comprising: the rotating shaft sleeve (28) is provided with at least two deformation structure openings (29) which are opened upwards in an annular array mode.

6. A disposable intravenous infusion micro-precision regulator as claimed in claim 5, wherein: the middle part integrated into one piece of pivot (31) is equipped with upwards open mouth (32) that warp, the top of pivot (31) is equipped with outside bellied extension flange, thereby pivot (31) pass through warp the shrink deformation of mouth (32) by go up the center through-hole of spiral cover (11) lower extreme and pass, and until pivot (31) top extension flange's lower terminal surface with the roof of pivot cover (28) offsets and accomplishes the block.

7. A disposable intravenous infusion micro-precision regulator as claimed in claim 6, wherein: the outer side wall surface of the upper spiral cover (11) is provided with semicircular convex flange strips (16) in an integrated forming mode, and the flange strips (16) are arranged at intervals in an annular mode by taking the axis of the upper spiral cover (11) as the center.

8. A disposable intravenous infusion micro-precision regulator as claimed in claim 7, wherein: the both ends of locking synchronizing rod (20) are the button head form integrated into one piece is equipped with bellied rubber strip on the lateral wall of locking synchronizing rod (20), realize through the frictional force of bellied rubber strip locking synchronizing rod (20) are in joint hole (19) and location in memory card hole (26).

9. A disposable intravenous infusion micro-precision regulator as defined in claim 8, wherein: integrated into one piece is equipped with sealing ring caulking groove (25) on the lateral wall of flow distribution disc (23), just sealing ring caulking groove (25) embedded suit is fixed and is equipped with O shape sealing washer, works as flow distribution disc (23) cartridge extremely back in circulation chamber (21) O shape sealing washer with the inner ring wall of circulation chamber (21) offsets.

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